25 g of an unknown hydrocarbon upon burning produces 88 g of CO2 and 9 g of H2O. This unknown hydrocarbon contains :
(1) 18 g of carbon and 7 g of hydrogen
(2) 20 g of carbon and 5 g of hydrogen
(3) 22 g of carbon and 3 g of hydrogen
(4) 24 g of carbon and 1 g of hydrogen